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Finding the Fourth Proportional to 63,633.98, 87,812.48 and 35,341.48

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Solution

The fourth proportional to 63,633.98, 87,812.48 and 35,341.48 is: 48,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,633.98 : 87,812.48 = 35,341.48 : x
  2. Step 2: Convert to fraction form
    63,633.98/87,812.48 = 35,341.48/x
  3. Step 3: Cross multiply
    63,633.98x = 87,812.48 × 35,341.48
  4. Step 4: Simplify right side
    63,633.98x = 3,103,423,005.67
  5. Step 5: Solve for x
    x = 3,103,423,005.67/63,633.98
  6. Step 6: Final answer
    x = 48,769.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.